GB619369A - Automatic overload protective devices for electrical apparatus - Google Patents

Automatic overload protective devices for electrical apparatus

Info

Publication number
GB619369A
GB619369A GB3598346A GB3598346A GB619369A GB 619369 A GB619369 A GB 619369A GB 3598346 A GB3598346 A GB 3598346A GB 3598346 A GB3598346 A GB 3598346A GB 619369 A GB619369 A GB 619369A
Authority
GB
United Kingdom
Prior art keywords
contactor
contacts
coil
circuit
secondary circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB3598346A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEORGE COWAN SUTHERLAND
Original Assignee
GEORGE COWAN SUTHERLAND
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to BE470461D priority Critical patent/BE470461A/xx
Priority to NL129448D priority patent/NL129448C/xx
Application filed by GEORGE COWAN SUTHERLAND filed Critical GEORGE COWAN SUTHERLAND
Priority to GB3598346A priority patent/GB619369A/en
Priority to FR939693D priority patent/FR939693A/fr
Publication of GB619369A publication Critical patent/GB619369A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/012—Automatic controllers electric details of the transmission means
    • G05B11/018—Automatic controllers electric details of the transmission means using thermal amplifiers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/66—Power reset mechanisms
    • H01H71/68—Power reset mechanisms actuated by electromagnet
    • H01H71/685—Power reset mechanisms actuated by electromagnet in which the excitation of the electromagnet is interrupted by abnormal conditions

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Breakers (AREA)
GB3598346A 1946-12-05 1946-12-05 Automatic overload protective devices for electrical apparatus Expired GB619369A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE470461D BE470461A (enrdf_load_stackoverflow) 1946-12-05
NL129448D NL129448C (enrdf_load_stackoverflow) 1946-12-05
GB3598346A GB619369A (en) 1946-12-05 1946-12-05 Automatic overload protective devices for electrical apparatus
FR939693D FR939693A (fr) 1946-12-05 1947-01-13 Dispositif automatique de commande d'appareil électrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3598346A GB619369A (en) 1946-12-05 1946-12-05 Automatic overload protective devices for electrical apparatus

Publications (1)

Publication Number Publication Date
GB619369A true GB619369A (en) 1949-03-08

Family

ID=10383676

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3598346A Expired GB619369A (en) 1946-12-05 1946-12-05 Automatic overload protective devices for electrical apparatus

Country Status (4)

Country Link
BE (1) BE470461A (enrdf_load_stackoverflow)
FR (1) FR939693A (enrdf_load_stackoverflow)
GB (1) GB619369A (enrdf_load_stackoverflow)
NL (1) NL129448C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010002499B4 (de) * 2009-03-27 2021-02-11 Fuji Electric Fa Components & Systems Co., Ltd. Thermisches Überlastrelais

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010002499B4 (de) * 2009-03-27 2021-02-11 Fuji Electric Fa Components & Systems Co., Ltd. Thermisches Überlastrelais

Also Published As

Publication number Publication date
NL129448C (enrdf_load_stackoverflow)
FR939693A (fr) 1948-11-22
BE470461A (enrdf_load_stackoverflow)

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